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Source file test/fixedbugs/bug444.go

Documentation: test/fixedbugs

     1  // run
     2  
     3  // Copyright 2012 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // The no-op conversion here used to confuse the compiler
     8  // into doing a load-effective-address of nil.
     9  // See issue 3670.
    10  
    11  package main
    12  
    13  import "reflect"
    14  
    15  type T interface {}
    16  
    17  var x bool
    18  
    19  func main() {
    20          reflect.TypeOf(nil)
    21          reflect.TypeOf(T(nil)) // used to miscompile
    22          shouldPanic()
    23  }
    24  
    25  func f() byte {
    26  	return []byte(nil)[0] // used to miscompile
    27  }
    28  
    29  func shouldPanic() {
    30  	defer func() {
    31  		if recover() == nil {
    32  			panic("not panicking")
    33  		}
    34  	}()
    35  	f()
    36  }
    37  

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